package my.test.memento;

/**
 * @Author 许玉康
 * @Date 2019/9/29 12:29
 */
public class Boy {

    //男孩的状态
    private String state = "";
    //认识女孩子后状态在改变
    public void changeState() {
        this.state = "心情可能很不好";
    }

    public String getState() {
        return state;
    }

    public void setState(String state) {
        this.state = state;
    }

    //保留一个备份
    public Memento createMemento() {
        return new Memento(this.state);
    }

    //恢复一个备份
    public void restoreMemento(Memento memento) {
    this.setState(memento.getState());
}
}
